How do rivers choose their paths? Why do some rivers form single channels, while others divide into many threads? The questions may sound simple, but they are plagued by dynamic and complex forces ...

The water pressure of a river can cut deep into a riverbed. Sediments from the riverbed are carried downstream, creating a deep, narrow channel. This process, known as downcutting, represents the ...

Atmospheric rivers are long, narrow corridors of concentrated water vapor in the atmosphere that transport vast amounts of moisture from the tropics toward mid-latitude and polar regions. These ...